CH1總結

example.py

student_list = []
total = 0

while True:
    name = input("請輸入學生名【輸入Enter即退出程序】:")
    if name == '':
        print('結束程序')
        break
    else:
        while True:
            score = int(input("請輸入學生成績:"))
            if score >= 0:
                total += score
                break
            print('輸入成績有誤,請重新輸入')
    student_list.append([name, score])

print("===========================")

print('1. 學生成績:')
for i in range(1, len(student_list) + 1):
    print('  (%s)' % i, 'name: %-5s' % student_list[i - 1][0], 'score: %-5s' % student_list[i - 1][1])

print('2. 學生總數:{}'.format(len(student_list)))

average = total / (len(student_list))
print('3. 班平均:{}'.format(average))
print(' → 該班平均及格' if average >= 60 else ' → 該班平均未及格')